Adult epilepsy patients who are undergoing intracranial monitoring will participate in a simple behavioral task during the clinical recording period.
The investigators will analyze recorded neural activity, eye movements, and behavioral responses from epilepsy patients undergoing intracranial monitoring with clinically-relevant microelectrodes in hippocampus that perform a decision-making task. The participants will perform 1 session of the task during their monitoring period. Behavioral responses will be fit to inference models to identify strategies subjects use, and neural recordings (neuronal firing and low frequency activity) will be correlated with task features by comparing results to those produced by randomized (bootstrapped) data. Neural activity and corresponding behavioral strategies for each participant will be used to refine theoretical recurrent neural network models of hippocampal engagement in multi-timescale inference.
Study Type
OBSERVATIONAL
Enrollment
30
Patients will be asked to play a decision-making game in which they hear a tone and must identify its source.
Patients will have simultaneous eye-tracking performed while playing the decision-making game
University of Colorado Anschutz
Aurora, Colorado, United States
Pupil size changes with respect to task features
pupil size will be measured with a portable eye-tracking device and correlated with task features
Time frame: continuous recording during task, up to 30 minutes
Behavioral Responses
Patient selects one of two choices on each trial using the computer keyboard
Time frame: Approximately 10 seconds per trial, up to 30 minutes total
Intracranial electrode recordings to measure changes in brain activity during decision making
Intracranial neural recordings from patients who are implanted with electrodes for clinical purposes tha take place during the decision-making task
Time frame: duration of the task, approximately 30 minutes
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.